No problem, we've got 55379347 and 12518535 to multiply
55379347 × 12518535 = 12518535 × (55379347)
+ 12518535 × 7 yielding 87629745
+ 12518535 × 40 resulting in 500741400
+ 12518535 × 300 that equals 3755560500
+ 12518535 × 9000 yielding 112666815000
+ 12518535 × 70000 resulting in 876297450000
+ 12518535 × 300000 producing 3755560500000
+ 12518535 × 5000000 that results in 62592675000000
+ 12518535 × 50000000 resulting in 625926750000000

= 693268293696645
